Home / 5,516.13-8,274.33-1,620.84

Finding the Fourth Proportional to 5,516.13, 8,274.33 and 1,620.84

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Solution

The fourth proportional to 5,516.13, 8,274.33 and 1,620.84 is: 2,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.13 : 8,274.33 = 1,620.84 : x
  2. Step 2: Convert to fraction form
    5,516.13/8,274.33 = 1,620.84/x
  3. Step 3: Cross multiply
    5,516.13x = 8,274.33 × 1,620.84
  4. Step 4: Simplify right side
    5,516.13x = 13,411,365.04
  5. Step 5: Solve for x
    x = 13,411,365.04/5,516.13
  6. Step 6: Final answer
    x = 2,431.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.